{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000670},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000598","487:4870000671","466:4660012442","466:4660010514","487:4870000248","466:4660011168","466:4660012978","466:4660013100","466:4660011979","487:4870002537","466:4660011008","466:4660011005","487:4870000095","487:4870004373","466:4660011170","487:4870004395","466:4660011007","487:4870002279","487:4870002442","487:4870001758","466:4660011317","487:4870000223","487:4870002364","466:4660012860","466:4660011159"],"twin_admin_codes":[487,487,466,466,487,466,466,466,466,487,466,466,487,487,466,487,466,487,487,487,466,487,487,466,466],"twin_sims":[0.4758841617253237,0.4356851563242529,0.3881779551769576,0.33411070507558766,0.333383476631257,0.3182471474270955,0.26469067639443983,0.2617573292908022,0.2562779968455185,0.24958215344627585,0.23681316553285894,0.22190352769176883,0.21273567125301462,0.20812615890704048,0.19892874311648412,0.18442821667029918,0.1829791619364242,0.18153409509851887,0.1726748207663264,0.17073396289630274,0.1635278192574998,0.16242362225324905,0.15468136714083688,0.14025642812522948,0.13204446305211642],"twin_dists":[0.15827441081177054,0.16741576209859566,0.17866985703543467,0.1923092444866152,0.19250026738470258,0.19652949738414793,0.21175463784024304,0.2126404666158633,0.2143119906950356,0.21638564035763436,0.22044133382880582,0.22536217957929358,0.2284982707288946,0.2301096543241541,0.233399203630411,0.23880630241225143,0.23936280263048623,0.2399208768043137,0.2434130011021564,0.24419503177951687,0.24715576654199536,0.247617718259282,0.2509226165861244,0.25741915607318944,0.2613426181668809],"n_dims_used":43,"mean_confidence":0.9042276781658793},"coverage":{"mean_confidence":0.9042276781658793,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}